ACCOUNT   CART
  • Shop
    • Explorer Picks
    • Apparel
    • BCDs
    • Computers & Gauges
    • DPVs
    • Exposure Protection
    • Gas Management
    • Gift Cards
    • Guideline
    • Lights
    • Maps
    • Mask, Fins, & Snorkels
    • Rebreather
    • Regulators
    • Tools & Hardware
  • FATHOM CCR
  • In Action
    • Our Story
    • Explorers
    • News & Events
  • Training
    • Instructors
    • Calendar
    • Knowledge Library
  • Support
    • Warranty
    • Downloads
  • Contact Us

Shop by Category

  • Explorer Picks
  • New Products
  • Best Sellers

  • Apparel
  • BCDs
  • Computers & Gauges
  • DPVs
  • Exposure Protection
  • Gas Management
  • Gift Cards
  • Guideline
  • Lights
  • Maps
  • Mask, Fins, & Snorkels
  • Rebreather
  • Regulators
    • First Stages
    • Hoses
    • Regulator Sets
    • SPGs
  • Tools & Hardware

Shop by Manufacturer

  • AK
  • Analytical Industries
  • Apeks
  • Atomic
  • Bard
  • Big Blue
  • Blue Steel
  • Breeze
  • Chogori
  • Christo-Lube
  • Dan Sun
  • Dive Rite
  • Divesoft
  • Divex
  • Draeger
  • Dwyer
  • Eezycut
  • Faber
  • FATHOM
  • Gear Aid
  • GUE
  • Halcyon
  • Heser
  • Highland
  • Hydpro
  • Intersurgical
  • Kent Tooling
  • KUR
  • Logic Dive Gear
  • LOLA
  • Mares
  • Memphis Net & Twine
  • Metal Impact
  • NEO
  • OxyCheq
  • Rofos
  • Saft
  • Seacraft
  • Shearwater
  • Sherwood
  • Si Tech
  • Stahlsac
  • Suunto
  • Thermo
  • XS Scuba
Shop / Regulators / First Stages
PXL_20240913_182722360.PORTRAIT.ORIGINALPXL_20240913_182722360.PORTRAIT.ORIGINAL
  • Brand:FATHOM

    APRV

    $39.95

    In stock

    SKU: WMD010 Category: First Stages
    • Intro
    • Reviews (0)

    Adjustable Pressure Relief Valve (APRV)

    • 316 SS
    • adjustable +/- 3.5 bar/50 psi
    • lockdown screw to maintain setting
    • preset to 25 bar / 360 psi pressure relief

    Reviews

    There are no reviews yet.

    Only logged in customers who have purchased this product may leave a review.

    Related products

    • mCCR Oxygen Regulator

      FATHOM

      mCCR Oxygen Regulator

      $549.00
      Add to cart
    • Fixed IP Cap

      FATHOM

      Fixed IP Cap

      $30.00
      Add to cart
    • Stronger Spring for Apeks DS4

      FATHOM

      Stronger Spring for Apeks DS4

      $45.00
      Add to cart
    • DS4 First Stage, DIN

      Apeks

      DS4 First Stage, DIN

      $350.00
      Add to cart

    FATHOM Dive Systems, LLC

    4113 NW 6th St, Suite A
    Gainesville, FL 32609
    USA

    +1 352-213-8486


    info@fathomdive.com
    Facebook: fathomccr

    Quick Links

    • Fathom CCR
    • Our Story
    • Explorers
    • News & Events
    • Training
    • Support
    • Downloads
    • Contact Us

    On Instagram

    Now in stock at FATHOM Dive Systems. Mares Power Now in stock at FATHOM Dive Systems.

Mares Power Plana and Power Plana LT fins are back on the shelf—proven designs, stiff response, and built for control in technical and overhead diving.

Available now: 
https://www.fathomdive.com/product/power-plana/
https://www.fathomdive.com/product/power-plana-lt/

#FathomDiveSystems #MaresDiving #PowerPlana #PowerPlanaLT #TechnicalDiving #CCRdiving #CaveDiving #DiveGear
    FATHOM CCRs: for exploration dives where efficienc FATHOM CCRs: for exploration dives where efficiency, control, and reliability matter more than anything else.

#FathomDiveSystems #FathomCCR #CaveExploration #CCRdiving #TechnicalDiving  #CaveDiving 

Photo by @sj.alice.bennett
    Now in stock, FATHOM Dive Systems hoodies! Perfect Now in stock, FATHOM Dive Systems hoodies! Perfect for keeping you warm on those chilly dive days while repping your favorite CCR and exploration grade equipment brand. Get yours and other FATHOM apparel on our website here: https://www.fathomdive.com/product-category/apparel/
    #RebreatherDiving #FathomDiveSystems #Rebreather # #RebreatherDiving #FathomDiveSystems #Rebreather #TechDiving #ccrexplorers #CaveDiving #RebreatherTraining
    © 2026 FATHOM Dive Systems, LLC
    Website by tom st george
    Our website uses cookies, by clicking “Accept” you consent to the use of cookies and also agree to our Privacy Policy and Terms & Conditions.
    Cookie settingsACCEPT
    Manage consent

    Privacy Overview

    This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
    Necessary
    Always Enabled
    Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
    Non-necessary
    Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website.
    SAVE & ACCEPT

    FREE SHIPPING on domestic orders > $99 and international orders > $999 * Some exclusions apply Dismiss